Authoritative server recursing?
Daniele Orlandi
daniele at orlandi.com
Wed Jun 1 14:21:34 UTC 2005
Hello,
I'm seeing this strange problem, maybe it's me... but it's the first time I
see such behaviour.
I have an authoritative master name server for the 10.212.62.in-addr.arpa
The zone contains a 16.10.212.62.in-addr.arpa IN NS record with
mix.b-soft.it
Another autoritative slave server has older, incorrect data.
The master server can recurse though it's not used as a resolver.
Here is the strangeness:
stef:~ # dig @vega -x 62.212.10.16 NS
; <<>> DiG 9.2.2 <<>> @vega -x 62.212.10.16 NS
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33042
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;16.10.212.62.in-addr.arpa. IN NS
;; ANSWER SECTION:
16.10.212.62.in-addr.arpa. 85140 IN NS
mix.b-soft.com.16.10.212.62.in-addr.arpa.
16.10.212.62.in-addr.arpa. 85140 IN NS
zagor.b-soft.com.16.10.212.62.in-addr.arpa.
;; Query time: 2 msec
;; SERVER: 62.212.0.2#53(vega)
;; WHEN: Wed Jun 1 16:17:14 2005
;; MSG SIZE rcvd: 92
------------------------------------------------------
stef:~ # dig +norecurse @vega -x 62.212.10.16 NS
; <<>> DiG 9.2.2 <<>> +norecurse @vega -x 62.212.10.16 NS
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35930
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; QUESTION SECTION:
;16.10.212.62.in-addr.arpa. IN NS
;; AUTHORITY SECTION:
16.10.212.62.in-addr.arpa. 86400 IN NS mix.b-soft.com.
;; ADDITIONAL SECTION:
mix.b-soft.com. 171528 IN A 62.212.3.230
;; Query time: 1 msec
;; SERVER: 62.212.0.2#53(vega)
;; WHEN: Wed Jun 1 16:17:26 2005
;; MSG SIZE rcvd: 87
In other words, if I ask for recursion, the master server asks to the slave
and returns data from it. If I don't ask for recursion it responds
correctly.
The same happens if I disable recursion on the master.
Any idea?
thanks!
--
Daniele Orlandi
More information about the bind-users
mailing list